45245972 has 6 divisors (see below), whose sum is σ = 79180458. Its totient is φ = 22622984.

The previous prime is 45245969. The next prime is 45245983. The reversal of 45245972 is 27954254.

It can be written as a sum of positive squares in only one way, i.e., 28238596 + 17007376 = 5314^2 + 4124^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655743 + ... + 5655750.

It is an arithmetic number, because the mean of its divisors is an integer number (13196743).

Almost surely, 2^45245972 is an apocalyptic number.

It is an amenable number.

45245972 is a deficient number, since it is larger than the sum of its proper divisors (33934486).

45245972 is a wasteful number, since it uses less digits than its factorization.

45245972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11311497 (or 11311495 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 45245972 is about 6726.5126179916. The cubic root of 45245972 is about 356.3362244559.

The spelling of 45245972 in words is "forty-five million, two hundred forty-five thousand, nine hundred seventy-two".